1081102659 has 16 divisors (see below), whose sum is σ = 1774117632. Its totient is φ = 570251808.

The previous prime is 1081102651. The next prime is 1081102691. The reversal of 1081102659 is 9562011801.

It is not a de Polignac number, because 1081102659 - 2³ = 1081102651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081102651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979769 + ... + 1980314.

It is an arithmetic number, because the mean of its divisors is an integer number (110882352).

Almost surely, 2^1081102659 is an apocalyptic number.

1081102659 is a deficient number, since it is larger than the sum of its proper divisors (693014973).

1081102659 is a wasteful number, since it uses less digits than its factorization.

1081102659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960106.

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 1081102659 is about 32880.1255928258. The cubic root of 1081102659 is about 1026.3346196797.

It can be divided in two parts, 1081 and 102659, that added together give a triangular number (103740 = T₄₅₅).

The spelling of 1081102659 in words is "one billion, eighty-one million, one hundred two thousand, six hundred fifty-nine".